Devices:Smart watches; Functions:Heart Monitor, GPS, Calculating calories, Alarm Clock, Compas, Distance measurement, Pedometer, Rechargeable, Cellphone Connection, Waterproof

Devices:Smart watches; Functions:Heart Monitor, GPS, Alarm Clock, Music Player, Compas, Distance measurement, Pedometer, Rechargeable, Cellphone Connection, Waterproof

Devices:Smart watches; Functions:Heart Monitor, GPS, Alarm Clock, Music Player, Compas, Distance measurement, Pedometer, Rechargeable, Cellphone Connection, Waterproof

Devices:Fitness bands and monitors; Functions:Heart Monitor, Calculating calories, Alarm Clock, Distance measurement, Pedometer, Rechargeable, Cellphone Connection, Waterproof

Devices:Fitness bands and monitors; Functions:Heart Monitor, Calculating calories, Alarm Clock, Distance measurement, Pedometer, Rechargeable, Cellphone Connection, Waterproof

Devices:Smart watches; Functions:Heart Monitor, GPS, Alarm Clock, Music Player, Compas, Distance measurement, Pedometer, Rechargeable, Cellphone Connection, Waterproof

Devices:Smart watches; Functions:Heart Monitor, GPS, Alarm Clock, Music Player, Compas, Distance measurement, Pedometer, Rechargeable, Cellphone Connection, Waterproof

Devices:Smart watches; Functions:Heart Monitor, GPS, Alarm Clock, Music Player, Compas, Distance measurement, Pedometer, Rechargeable, Cellphone Connection, Waterproof

Devices:Smart watches; Functions:Heart Monitor, GPS, Alarm Clock, Music Player, Compas, Distance measurement, Pedometer, Rechargeable, Cellphone Connection, Waterproof

Devices:Smart watches; Functions:Heart Monitor, GPS, Alarm Clock, Music Player, Compas, Distance measurement, Pedometer, Rechargeable, Cellphone Connection, Waterproof